The H3000 system was introduced in 2006, key features are the combination of the performance and the regular processor. Also the firmware upgrades are software/flash based.
The difference between hydra, hercules and performance is done in a software update.
The analogue displays are chained with a simnet cable.
Some discussion about Leeway correction in the B&G H3000 system
With a nice drawing from Astolfo with details about the H3000 flow of data